Sentinel-2 MSI User Guide - Level-1A Product

The L1A product is obtained by decompressing the Level-0 raw image data. A geometric model is developed, allowing any pixel in the image to be located. Each Level-1A product is a 25 km across track (AC) by 23 km along track (AL) granule. An average orbit will contain approximately 3,500 Level-1A granules. Level-1A pixel coordinates refer to the centre of each pixel.

The Level-1A product is not released to Users.

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